CN206888940U - A kind of reacting cycle double wall drill tool for rotary drilling rig equipment - Google Patents
A kind of reacting cycle double wall drill tool for rotary drilling rig equipment Download PDFInfo
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- CN206888940U CN206888940U CN201720305236.5U CN201720305236U CN206888940U CN 206888940 U CN206888940 U CN 206888940U CN 201720305236 U CN201720305236 U CN 201720305236U CN 206888940 U CN206888940 U CN 206888940U
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Abstract
A kind of reacting cycle double wall drill tool for rotary drilling rig equipment, belong to drilling equipment technical field.The reacting cycle double wall drill tool for rotary drilling rig equipment includes air water tap, kelly, double-wall drill pipe, cross-over joint and the pneumatic down-hole hammer drilling component being from top to bottom sequentially arranged, the air water tap, kelly, double-wall drill pipe, cross-over joint form two passages after being connected with pneumatic down-hole hammer drilling component, one is pressure-air inlet channel, one be bottom hole landwaste on return passage.Reacting cycle double wall drill tool described in the utility model for rotary drilling rig equipment solves the problem that rotary drilling rig equipment enters rock heavy caliber drilling, improves drilling operating efficiency.
Description
Technical field
A kind of rotary drilling rig equipment drilling tool is the utility model is related to, it is specifically a kind of for the anti-of rotary drilling rig equipment
Circulate double wall drill tool.
Background technology
Rotary drilling rig equipment is widely used in foundation engineering field at present, especially in broken grounds such as soil layer, gravel layers
Superiority highlights, but then has that difficulty of construction is big, construction period is long, cost height etc. is asked when running into hard bedrock formation
Topic.Rotary drilling rig equipment generally matches pick augers, cylindrical rock drilling row drilling in the prior art, and the construction method is except brill
It is low outer to enter efficiency, can also cause equipment moment of torsion to increase, equipment is produced badly damaged.
To solve the above problems, about technical staff by collecting domestic and international drilling technique data and to rotary drilling rig equipment
Market survey, it is believed that ideal using heavy caliber reacting cycle pneumatic down-hole hammer drilling process method, this method is also domestic and international
What probing circle generally acknowledged creeps into basement rock efficient process on drought and water shortage stratum, and its general principle is by the Large Diameter DTH Hammer of detritus
Hammer slips into bottom hole, and impactor drives tup detritus by ballistic work caused by compressed air.To match the heavy caliber reacting cycle gas
Dynamic down-the-hole hammer reverse circulating drilling process method is, it is necessary to design a kind of reacting cycle double-walled brill that revolution is driven by rotary digging drill power head
Tool so that rotary drilling rig realizes pneumatic down-hole hammer reverse circulation drilling, rock slag can be by double wall drill tool inner tube tap outside, solve big
Bore engineering pile foundation hard-rock boring problem.
Utility model content
The utility model provides a kind of reacting cycle double wall drill tool for rotary drilling rig equipment, it is intended to it is pneumatic to match heavy caliber
Down-the-hole hammer reverse circulating drilling process, solve rotary drilling rig equipment and enter rock heavy caliber drilling problem, improve drilling operating efficiency.
The utility model is that technical scheme is as follows used by reaching above-mentioned purpose：
A kind of reacting cycle double wall drill tool for rotary drilling rig equipment, including be from top to bottom sequentially arranged air water tap,
Kelly, double-wall drill pipe, cross-over joint and pneumatic down-hole hammer drilling component, the air water tap, kelly, double-walled bore
Bar, cross-over joint form two passages after being connected with pneumatic down-hole hammer drilling component, and one is pressure-air inlet channel, one
Be bottom hole landwaste on return passage.
The above-mentioned reacting cycle double wall drill tool for rotary drilling rig equipment, the air water tap are set by bale handle and rotary drilling rig
Standby hoisting rope connection, is provided with gooseneck, upper shell, lower house, main shaft and heart pipe, the upper shell on air water tap
It is bolted with lower house, the slag inlet for the cyclone that the gooseneck uses with rotary drilling rig coordinative composition of equipments connects, institute
State and pressure-air room is set in lower house, pressure-air room side is connected by air inlet pipe to be made with rotary drilling rig coordinative composition of equipments
Air compressor machine, the main shaft are hollow-core construction, and heart pipe is arranged in main shaft, and the annulus between heart pipe and main shaft, which is formed, to be connected
The pressure-air inlet channel of logical pressure-air room, the heart pipe upper end are connected with gooseneck, and lower end is connected with kelly, by
The inner via hole of heart pipe forms on landwaste and returns passage.
The above-mentioned reacting cycle double wall drill tool for rotary drilling rig equipment, the kelly are set with successively including ecto-entad
First layer pipe, second layer pipe and third layer pipe, the clutch end of the first layer pipe and rotary drilling rig equipment dynamic head matches somebody with somebody
Close and transmit moment of torsion, and the torsion pass set by being arranged between first layer pipe and second layer pipe imparts power to second layer pipe, institute
State second layer pipe upper end to be connected with air water tap main shaft by six square joints in kelly, lower end passes through six sides outside kelly
Joint is connected with double-wall drill pipe, and pressure-air inlet channel, institute are formed by the annulus between second layer pipe and third layer pipe
State third layer pipe both ends and seal nipple be set, the heart pipe of upper end seal nipple and air water tap be connected, lower end seal nipple and pair
Wall drilling rod connects, and is formed by the inner via hole of third layer pipe and passage is returned on landwaste.
The above-mentioned reacting cycle double wall drill tool for rotary drilling rig equipment, the double-wall drill pipe is inside and outside tubular construction, described outer
Pipe upper end is connected by six square joints in double-wall drill pipe with six square joints outside kelly, and lower end is connect by six sides outside double-wall drill pipe
Head is connected with cross-over joint, and pressure-air inlet channel, said inner tube both ends are formed by the annulus between outer tube and inner tube
Seal nipple, the third layer pipe connection of upper end seal nipple and kelly, lower end seal nipple and cross-over joint inner sleeve are set
Connection, is formed by the inner via hole of inner tube and passage is returned on landwaste.
The above-mentioned reacting cycle double wall drill tool for rotary drilling rig equipment, the gooseneck of the air water tap are provided with wear-resistant block,
The wear-resistant block is located on the gooseneck tube wall relative with returning direction on landwaste, and its upper end passes through flange arrangement and gooseneck pipe outer wall
Connection, the other end is the curved surface consistent with gooseneck inside pipe wall camber line, and sealing ring is set in wear-resistant block and gooseneck junction.
The above-mentioned reacting cycle double wall drill tool for rotary drilling rig equipment, between the main shaft and lower house of air water tap
Wear-resistant sleeve is set, and the wear-resistant sleeve sets hermetic seal by key connection structure and spindle mounted between wear-resistant sleeve and lower house
Circle；Limited location snap ring is installed in wear-resistant sleeve lower end, wear-resistant sleeve is bolted to connection with limited location snap ring.
The above-mentioned reacting cycle double wall drill tool for rotary drilling rig equipment, the kelly bottom are additionally provided with shock-damping structure,
The shock-damping structure is arranged between first layer pipe and second layer pipe, is made up of spring and locknut；The spring housing is mounted in second
Outside outer six square joints of kelly of layer pipe lower end, between torsion pass set and locknut.
The above-mentioned reacting cycle double wall drill tool for rotary drilling rig equipment, also weld on the first layer inside pipe wall of the kelly
Structure for welding and supporting, the supporting construction are made up of upper back-up ring, guide sleeve and lower back-up ring, and the guide sleeve quantity is no less than three groups.
The above-mentioned reacting cycle double wall drill tool for rotary drilling rig equipment, the first layer pipe top of the kelly be provided with
The ring flange of rotary drilling rig equipment arbitrary-movement articulator connection, is additionally provided with and rotary drilling rig equipment dynamic head torsion pass in first layer pipe outer wall
Cover the torsion pass groove coordinated.
The above-mentioned reacting cycle double wall drill tool for rotary drilling rig equipment, six square joints and air water tap in the kelly
Main shaft, outer six square joints of kelly and outer six square joints of six square joints, double-wall drill pipe and another group of double-walled in double-wall drill pipe
Six square joints are connected using inserting mode in the double-wall drill pipe of drilling rod, and are fixed by bearing pin；Six sides in the kelly
Locking bearing pin is set in joint, double-wall drill pipe on six square joint lateral walls, by locking bearing pin by bearing pin locking.
The utility model is a kind of reacting cycle double wall drill tool for rotary drilling rig equipment, available for subway, high ferro, basis
In the pile foundation construction of engineering construction, it matches somebody with somebody the used time with rotary drilling rig equipment, the unit head and kelly of rotary drilling rig equipment
Coordinate and transmit moment of torsion, so as to drive the double-wall drill pipe of bottom, cross-over joint, pneumatic down-hole hammer drill bit assembly etc. to turn round, abrasion drill
Passage, which is returned, on the landwaste that landwaste caused by entering passes through up/down perforation returns to earth's surface.The beneficial effects of the utility model are mainly manifested in
Following aspect：Firstth, reacting cycle double wall drill tool described in the utility model, can match somebody with somebody with the rotary drilling rig equipment of Multiple Type specification
Close and use；Secondth, the first layer pipe of kelly is consistent with the original telescopic drill rod outermost Rotating fields of rotary drilling rig equipment, therefore
The mechanisms such as rotary drilling rig equipment dynamic head torsion pass set, arbitrary-movement articulator can be used, be not required to carry out rotary drilling rig device structure big change
It is dynamic；3rd, interior foreign side's connected structure is used between the air water tap of reacting cycle double wall drill tool, kelly, double-wall drill pipe, and is led to
Cross bearing pin to fix, can not only quickly connect at the construction field (site), and ensure that the reliability of power transmission；4th, double-wall drill pipe
Annulus, tap heart pipe between the second layer pipe and third layer pipe of annulus, kelly between inner and outer pipes with
Annulus connection between main shaft is high air pressure passages, by the inner tube of double-wall drill pipe, third layer pipe, the fire hose of kelly
The central through hole insertion of the heart pipe and gooseneck of head is formed returns passage on landwaste, it is achieved that reverse circulating drilling model；Together
When due to the utility model double-wall drill pipe inner tube and outer tube, kelly second layer pipe on be designed with sealing ring, ensure that
The sealing of passage is returned on high air pressure passages and landwaste；5th, the utility model can be used for major diameter monomer, cluster down-the-hole
The drilling of hammer, ten to 15 times are relatively improved through its rate of penetration of probationary certificate and conventional rotary drilling rig equipment drilling method.
The utility model solves the problem that rotary drilling rig equipment enters rock heavy caliber drilling in a word, improves drilling operating efficiency.
Brief description of the drawings
Fig. 1 is rotary drilling rig equipment and matching used auxiliary device structural representation；
Fig. 2 is the reacting cycle double wall drill tool structural representation for rotary drilling rig equipment；
Fig. 3 is structure for water tap schematic diagram；
Fig. 4 is abrasion-resistant block structure schematic diagram；
Fig. 5 is kelly structural representation；
Fig. 6 is double-wall drill pipe structural representation；
Fig. 7 is inside and outside six square joints connected structure schematic diagram；
Fig. 8 is A-A cross-sectional views in Fig. 7.
Each label is expressed as in figure：1st, rotary drilling rig equipment, 2, air water tap, 2-1, bale handle, 2-2, gooseneck are 2-3, resistance to
Abrading block, 2-3-1, flange arrangement, 2-3-2, curved surface, 2-3-3, sealing ring, 2-4, upper shell, 2-5, lower house, 2-6, wear-resistant sleeve,
2-7, airtight seal, 2-8, limited location snap ring, 2-9, main shaft, 2-10, heart pipe, 2-11, air inlet pipe, 3, kelly, 3-1, first
Layer pipe, 3-2, second layer pipe, 3-3, third layer pipe, 3-4, torsion pass groove, outer six square joints of 3-5, kelly, 3-6, lower back-up ring,
3-7, locknut, 3-8, spring, 3-9, torsion pass set, 3-10, guide sleeve, 3-11, ring flange, six square sets in 3-12, kelly, 3-
13rd, upper back-up ring, 4, double-wall drill pipe, 4-1, outer tube, 4-2, inner tube, 4-3, double-wall drill pipe outer six square sets are 4-4, double not six in drilling rod
Square set, 5, cross-over joint, 6, pneumatic down-hole hammer drill bit assembly, 7, cyclone, 8, air compressor machine, 9, arbitrary-movement articulator, 10, bearing pin, 11, lock
Bearing pin.
Embodiment
Below in conjunction with the accompanying drawings and embodiment further illustrates to the utility model：
Referring to Fig. 1, Fig. 2, the utility model is a kind of reacting cycle double wall drill tool for rotary drilling rig equipment, including by upper
Air water tap 2, kelly 3, double-wall drill pipe 4, cross-over joint 5 and the pneumatic down-hole hammer drilling component 6 being sequentially arranged under；Institute
State after air water tap 2, kelly 3, double-wall drill pipe 4, cross-over joint 5 and pneumatic down-hole hammer drilling component 6 connect and form two
Passage, one is pressure-air inlet channel, one be bottom hole landwaste on return passage.
It is described described in the utility model in the reacting cycle double wall drill tool of rotary drilling rig equipment referring to Fig. 3, Fig. 4
Air water tap 2 is connected by bale handle 2-1 with the hoisting rope of rotary drilling rig equipment 1, and gooseneck 2- is provided with air water tap 2
2nd, upper shell 2-4, lower house 2-5, main shaft 2-9 and heart pipe 2-10；The upper shell 2-4 and lower house 2-5 is bolted,
Connection main shaft 2-9 upper ends and gooseneck 2-2 bearing are set in upper shell 2-4；The gooseneck 2-2 other ends and churning driven
The slag inlet connection of the matching used cyclone 7 of machine equipment 1, the also equipped wear-resistant block 2-3 of gooseneck 2-2, the wear-resistant block 2-3 positions
In on the gooseneck tube wall relative with returning direction on landwaste, its upper end is connected by flange arrangement 2-3-1 with gooseneck pipe outer wall, separately
One end is the curved surface 2-3-2 consistent with gooseneck inside pipe wall camber line, sets and seals in wear-resistant block 2-3 and gooseneck 2-2 junctions
Enclose 2-3-3；Pressure-air room is set in the lower house 2-5, pressure-air room side by air inlet pipe 2-11 connections with
The air compressor machine 8 that rotary drilling rig coordinative composition of equipments uses；The main shaft 2-9 is hollow-core construction, and heart pipe 2-10 is arranged in main shaft 2-9,
Annulus between heart pipe 2-10 and main shaft 2-9 forms the high air pressure passages for connecting pressure-air room, the heart pipe 2-10
Upper end is connected with gooseneck 2-2, and lower end is connected with kelly 3, is formed by heart pipe 2-10 inner via hole and passage is returned on landwaste.
Referring to Fig. 5, described in the utility model in the reacting cycle double wall drill tool of rotary drilling rig equipment, the active
Drilling rod 3 includes first layer pipe 3-1, the second layer pipe 3-2 and third layer pipe 3-3 that ecto-entad is set with successively, the first layer pipe
The clutch end of 3-1 and rotary drilling rig equipment dynamic head, which coordinates, transmits moment of torsion, and by being arranged on first layer pipe 3-1 and second
Torsion pass set 3-9 between layer pipe 3-2 imparts power to second layer pipe 3-2, and the second layer pipe 3-2 upper ends pass through kelly
Interior six square joints 3-12 is connected with the main shaft 2-9 of air water tap 2, and lower end is bored by six square joint 3-5 outside kelly and double-walled
Bar 4 is connected, and high air pressure passages, the third layer pipe are formed by the annulus between second layer pipe 3-2 and third layer pipe 3-3
3-3 both ends set seal nipple, and upper end seal nipple is connected with the heart pipe of air water tap 2, lower end seal nipple and double-wall drill pipe 4
Connection, is formed by third layer pipe 3-3 inner via hole and passage is returned on landwaste；Shock-damping structure is additionally provided with the bottom of kelly 3,
The shock-damping structure is arranged between first layer pipe 3-1 and second layer pipe 3-2, is made up of spring 3-8 and locknut 3-7, the bullet
Spring 3-8 is sleeved on outside the outer six square joint 3-5 of kelly of second layer pipe 3-2 lower ends, covers 3-4 and locknut 3-7 positioned at torsion pass
Between, during use, when drilling tool shakes, second layer pipe 3-2 and third layer pipe can in first layer pipe on glide
It is dynamic, cushioning effect can be realized by spring 3-8；Also welding support is tied on the first layer pipe 3-1 inwalls of the kelly 3
Structure, the supporting construction are made up of upper back-up ring 3-13, guide sleeve 3-10 and lower back-up ring 3-6, and the guide sleeve 3-10 quantity is many
In three groups；The ring flange being connected with rotary drilling rig equipment arbitrary-movement articulator 9 is provided with the first layer pipe 3-1 tops of the kelly 3,
The torsion pass groove 3-4 coordinated with rotary drilling rig equipment dynamic head torsion pass set is additionally provided with first layer pipe 3-1 outer walls.
Referring to Fig. 6, described in the utility model in the reacting cycle double wall drill tool of rotary drilling rig equipment, the double-walled
Drilling rod 4 is inside and outside tubular construction, and the outer tube 4-1 upper ends are connect by six square joint 4-4 in double-wall drill pipe and six sides outside kelly
Head 3-5 connections, lower end is connected by six square joint 4-3 outside double-wall drill pipe with cross-over joint 5, by between outer tube 4-1 and inner tube 4-2
Annulus form high air pressure passages, said inner tube 4-2 both ends set seal nipple, upper end seal nipple and kelly
3 third layer pipe connection, lower end seal nipple are connected with the inner sleeve of cross-over joint 5, formed by inner tube 4-2 inner via hole on landwaste
Return passage.
It is described described in the utility model in the reacting cycle double wall drill tool of rotary drilling rig equipment referring to Fig. 7, Fig. 8
In kelly in the main shaft 2-9 of six square joint 3-12 and air water tap 2, kelly outer six square joint 3-5 and double-wall drill pipe
The outer six square joint 4-3 and six square joint 4-4 in the double-wall drill pipe of another group of double-wall drill pipe of six square joint 4-4, double-wall drill pipe are adopted
Connected with inserting mode, and fixed by bearing pin 10；Six square joint 3-12 in the kelly, six square joints in double-wall drill pipe
Locking bearing pin 11 is set on 4-4 lateral walls, by locking bearing pin 11 by the locking of bearing pin 10.
Referring to Fig. 1, Fig. 2, the utility model is a kind of reacting cycle double wall drill tool for rotary drilling rig equipment, available for ground
Iron, high ferro, basic engineering construction pile foundation construction in, matching somebody with somebody used time, the power of rotary drilling rig equipment 1 with rotary drilling rig equipment 1
Head coordinates with kelly 3 transmits moment of torsion, so as to drive the double-wall drill pipe 4 of bottom, cross-over joint 5, aeratic hidden hole hammer bit group
The grade of part 6 turn round, landwaste caused by rotary drilling by the double-wall drill pipe 4 of up/down perforation, kelly 3, air water tap 2 landwaste
On return passage and return to earth's surface.
Referring to Fig. 3, Fig. 4, the utility model sets up disconnectable wear-resistant block 2-3 on the gooseneck 2-2 of air water tap 2,
Because reverse circulation drilling landwaste upward velocity reaches 3-5m/s, serious to gooseneck 2-2 impact wear, gooseneck 2-2 is easily damaged,
After setting up the disconnectable 2-3 of resistance to module, above return landwaste and directly impact wear-resistant block 2-3, it is i.e. replaceable after wear-resistant block 2-3 damages.This
Set in the pressure-air room of utility model air water tap 2 airtight seal 2-7, on the inside of wear-resistant sleeve 2-6, airtight seal 2-7 with it is resistance to
Grinding set 2-6 is sealed, on the outside of airtight seal 2-7 with lower house 2-5 inner wall sealings, thus achieve main shaft 2-9 and lower house 2-5 it
Between sealing, airtight seal 2-7 is from seal, and in the presence of pressure-air, interior lateral lip face, which is opened, realizes sealing.In addition,
When main shaft 2-9 is rotated, airtight seal 2-7 inner side contacts with wear-resistant sleeve 2-6, because it is not directly contacted with main shaft 2-9, can avoid
Main shaft 2-9 abrasion, it can be changed when wear-resistant sleeve 2-6 surface abrasions can not seal.
Referring to Fig. 5, the utility model is provided with ring flange 3-11 in the first layer pipe 3-1 upper ends of kelly 3, passes through method
Kelly 3 is fixedly connected by blue disk 3-11 with the arbitrary-movement articulator 9 of rotary digging machine equipment 1, therefore can be according to the phase of rotary drilling rig equipment 1
Physical dimension is closed, ring flange and outer tube on kelly 3 is designed, it is matched with different size rotary drilling rig equipment, from
And improve universal performance of the present utility model.
Referring to Fig. 7, Fig. 8, six square joint 3-12 and air water tap 2 main shaft 2-9, master in kelly of the present utility model
The dynamic outer six square joint 3-5 of drilling rod and the outer six square joint 4-3 of six square joint 4-4, double-wall drill pipe in double-wall drill pipe and another group of double-walled
Six square joint 4-4 are connected using inserting mode in the double-wall drill pipe of drilling rod, therefore be may be implemented in job site and quickly connected, and are led to
Cross bearing pin 10 and lock cooperations of bearing pin 11 and avoid coming off for bearing pin 10 in drilling process, so as to ensure that reacting cycle double-walled brill
Has the reliability of work.
Claims (10)
- A kind of 1. reacting cycle double wall drill tool for rotary drilling rig equipment, it is characterised in that：The reacting cycle double wall drill tool includes Air water leading (2), kelly (3), double-wall drill pipe (4), cross-over joint (5) and the pneumatic down-hole hammer being from top to bottom sequentially arranged Drill bit assembly (6)；The air water leading (2), kelly (3), double-wall drill pipe (4), cross-over joint (5) and pneumatic down-the-hole hammer drill Form two passages after head assembly (6) connection, one is pressure-air inlet channel, one be bottom hole landwaste on return passage.
- 2. the reacting cycle double wall drill tool according to claim 1 for rotary drilling rig equipment, it is characterised in that：The air water Leading (2) are connected by bale handle (2-1) with the hoisting rope of rotary drilling rig equipment (1), and gooseneck is provided with air water leading (2) Manage (2-2), upper shell (2-4), lower house (2-5), main shaft (2-9) and heart pipe (2-10), the upper shell (2-4) and lower house (2-5) is bolted, the slag input of the gooseneck (2-2) and the matching used middle cyclone (7) of rotary drilling rig equipment (1) Mouth connection, the lower house (2-5) is interior to set pressure-air room, and pressure-air room side passes through air inlet pipe (2-11) and connected The air compressor machine (8) matching used with rotary drilling rig equipment (1), the main shaft (2-9) are hollow-core construction, in main shaft (2-9) Heart pipe (2-10) is arranged, the annulus between heart pipe (2-10) and main shaft (2-9) forms the high pressure sky for connecting pressure-air room Gas passage, heart pipe (2-10) upper end are connected with gooseneck (2-2), and lower end is connected with kelly (3), by heart pipe (2-10) Inner via hole formed landwaste on return passage.
- 3. the reacting cycle double wall drill tool according to claim 2 for rotary drilling rig equipment, it is characterised in that：The active Drilling rod (3) includes first layer pipe (3-1), second layer pipe (3-2) and the third layer pipe (3-3) that ecto-entad is set with successively, described The clutch end of first layer pipe (3-1) and rotary drilling rig equipment dynamic head, which coordinates, transmits moment of torsion, and by being arranged on first layer Torsion pass set (3-9) between pipe (3-1) and second layer pipe (3-2) imparts power to second layer pipe (3-2), the second layer pipe (3-2) upper end is connected by six square joints (3-12) in kelly with the main shaft (2-9) of air water leading (2), and lower end passes through master Dynamic outer six square joints (3-5) of drilling rod are connected with double-wall drill pipe (4), by the ring between second layer pipe (3-2) and third layer pipe (3-3) Shape space forms high air pressure passages, and third layer pipe (3-3) both ends set seal nipple, upper end seal nipple and air water dragon The heart pipe connection of head (2), lower end seal nipple are connected with double-wall drill pipe (4), and landwaste is formed by the inner via hole of third layer pipe (3-3) On return passage.
- 4. the reacting cycle double wall drill tool according to claim 3 for rotary drilling rig equipment, it is characterised in that：The double-walled Drilling rod (4) is inside and outside tubular construction, outer tube (4-1) upper end by six square joints (4-4) in double-wall drill pipe and kelly outside Six square joints (3-5) are connected, and lower end is connected by six square joints (4-3) outside double-wall drill pipe with cross-over joint (5), by outer tube (4- 1) annulus between inner tube (4-2) forms high air pressure passages, and said inner tube (4-2) both ends set seal nipple, on End seal nipple is connected with the third layer pipe of kelly (3), and lower end seal nipple is connected with the inner sleeve of cross-over joint (5), by The inner via hole of inner tube (4-2) forms on landwaste and returns passage.
- 5. the reacting cycle double wall drill tool according to claim 4 for rotary drilling rig equipment, it is characterised in that：The gooseneck To manage (2-2) and be equipped with wear-resistant block (2-3), the wear-resistant block (2-3) is located on the gooseneck tube wall relative with returning direction on landwaste, its Upper end is connected by flange arrangement (2-3-1) with gooseneck pipe outer wall, and the other end is the curved surface (2- consistent with gooseneck inside pipe wall camber line 3-2), sealing ring (2-3-3) is set in wear-resistant block (2-3) and gooseneck (2-2) junction.
- 6. the reacting cycle double wall drill tool according to claim 5 for rotary drilling rig equipment, it is characterised in that：In the gas Wear-resistant sleeve (2-6) is set between the main shaft (2-9) and lower house (2-5) of tap (2), and the wear-resistant sleeve (2-6) is connected by key Binding structure is assembled with main shaft (2-9), and airtight seal (2-7) is set between wear-resistant sleeve (2-6) and lower house (2-5)；Wear-resisting (2-6) lower end installation limited location snap ring (2-8) is covered, wear-resistant sleeve (2-6) is bolted to connection with limited location snap ring (2-8).
- 7. the reacting cycle double wall drill tool according to claim 6 for rotary drilling rig equipment, it is characterised in that：The active Drilling rod (3) bottom is additionally provided with shock-damping structure, and the shock-damping structure is arranged between first layer pipe (3-1) and second layer pipe (3-2), It is made up of spring (3-8) and locknut (3-7)；The spring (3-8) is sleeved on the kelly outer six of second layer pipe (3-2) lower end Outside square joint (3-5), between torsion pass set (3-4) and locknut (3-7).
- 8. the reacting cycle double wall drill tool for rotary drilling rig equipment according to claim 6 or 7, it is characterised in that：It is described Also weld supporting construction on first layer pipe (3-1) inwall of kelly (3), the supporting construction by upper back-up ring (3-13), lead To set (3-10) and lower back-up ring (3-6) composition, guide sleeve (3-10) quantity is no less than three groups.
- 9. the reacting cycle double wall drill tool according to claim 8 for rotary drilling rig equipment, it is characterised in that：The active First layer pipe (3-1) top of drilling rod (3) is provided with the ring flange being connected with rotary drilling rig equipment arbitrary-movement articulator (9), in first layer pipe The torsion pass groove (3-4) coordinated with rotary drilling rig equipment dynamic head torsion pass set is additionally provided with (3-1) outer wall.
- 10. the reacting cycle double wall drill tool according to claim 9 for rotary drilling rig equipment, it is characterised in that：The master Outer six square joints (3-5) of main shaft (2-9), kelly and double-walled of six square joints (3-12) and air water leading (2) in dynamic drilling rod Outer six square joints (4-3) of six square joints (4-4), double-wall drill pipe connect with six sides in the double-wall drill pipe of another group of double-wall drill pipe in drilling rod Head (4-4) is connected using inserting mode, and fixed by bearing pin (10)；It is six square joints (3-12) in the kelly, double Locking bearing pin (11) is set in wall drilling rod on six square joints (4-4) lateral wall, by locking bearing pin (11) by bearing pin (10) locking.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720305236.5U CN206888940U (en) | 2017-03-27 | 2017-03-27 | A kind of reacting cycle double wall drill tool for rotary drilling rig equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720305236.5U CN206888940U (en) | 2017-03-27 | 2017-03-27 | A kind of reacting cycle double wall drill tool for rotary drilling rig equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159213A (en) * | 2019-06-28 | 2019-08-23 | 高邮莱宝仕石油装备有限公司 | A kind of tap |
| CN110593750A (en) * | 2019-10-31 | 2019-12-20 | 张亚婷 | Drilling machine for switching construction of rotary drilling bit and impacter |
| CN112647840A (en) * | 2021-01-19 | 2021-04-13 | 贵阳云海岩土工程有限公司 | Rotary pneumatic device of large-depth down-the-hole hammer |
| JP7316067B2 (en) | 2018-04-12 | 2023-07-27 | 株式会社技研製作所 | Tubular body rotary press-fitting method, wall structure construction method, and tubular body rotary press-fitting device |
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2017
- 2017-03-27 CN CN201720305236.5U patent/CN206888940U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7316067B2 (en) | 2018-04-12 | 2023-07-27 | 株式会社技研製作所 | Tubular body rotary press-fitting method, wall structure construction method, and tubular body rotary press-fitting device |
| CN110159213A (en) * | 2019-06-28 | 2019-08-23 | 高邮莱宝仕石油装备有限公司 | A kind of tap |
| CN110593750A (en) * | 2019-10-31 | 2019-12-20 | 张亚婷 | Drilling machine for switching construction of rotary drilling bit and impacter |
| CN112647840A (en) * | 2021-01-19 | 2021-04-13 | 贵阳云海岩土工程有限公司 | Rotary pneumatic device of large-depth down-the-hole hammer |
| CN112647840B (en) * | 2021-01-19 | 2022-11-18 | 贵阳云海岩土工程有限公司 | Rotary pneumatic device of large-depth down-the-hole hammer |
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